Radiator-locking cap



Deg. 7, 1926. 1,610,138

A. C. LIPPERT RADIATOR LOCKINCPCAP Fi led Jan; 2 192;

means of the 27 to the collar 24, the point of attachment being indepressions, or counter-sinks 28 provided in the-base oi" thecollar:Thepro jection-s 26 are curved outwardly so that 'the lower ends thereofnormally project A suitable ledge, orfshoul'der, 31 at the 'bottOinadapted to retain-the lips 26 to prevent separation of the collars afterassembl There are-,"in' the present instance," 'plur'alityo'f the parts26 and it will be understood that these ma be provided in anysuitable-hun 3 her and arrangement. While this construe it on preventsthe removal oftlie outer collar froin "the inner; it permits rotation ofsaid outer collar- With respect-to: the innerfso tliatit' i'vill beimpossible to unscrew the inner 'col lar' froin the radiator-malt byturning saidoii'ter'eollarf f ,W'hile itiis essential ,to'r the purposejust stated ftliat the collar '15 shall liavefrelative rain nioveinentwith res'pec'tto thec'oll'ar 24 i'n one direction,-iii orderto'p'reven't un screvvin g of "said collar 24 from-the radiator neck, itis desirable that the collars lturn't'ogather in the other direction,"in orderto perinit positioning of the bap after asse'in ly oi the parts.L tlierefor ',provide a ratchet, cons'isting'ot a"lateral projection 62,preferably integral with "one of the andis adapted toreceive'th'eprojection 32 i when p I outercollar is turned in-thedi'rection'necessary'for screwing the c'ollar'24 into the radiator neck. Nhenturned in thee-p direction, hovvever, the p'ro'jection 32 is forced into'tlie depression 38 andtheonter I e rotated Withoutefie'ct p aidinnercollar.

oviaea The collar '24 is at'fltlie top With shoulder ha-nag anfnpstanding flange 3 fiabout acentral opening87. A gasket 38, of rubber,or other suitable material, is

adapted. ra se arranged apart the shfoi'il'd'er 35 :beneath an inwardextension '39'at the top bit-"the oollar l5l The lover I 8J i S 'aaatdto rest apatite part 319 or the col- With a downwardly at end n Par dsin eviee f i 3 is CO a e rbe b iusf It Will be observed that by thisconstruction a very small portion of the gasket 38 is exposed lO' DliQpassageway -ior thesteam and said gasket is thus protected. againstdeterioration Which might result' from having hev greaterwpart subjected.itoiheat;andvinois ture f r it is thought that the invention and manyof itsattendant advantages will be under- I stood from the foregoingdescription, and it "Willbeapparentthat various changes may be inade inthe form, construction and arrang" nient' oi the'part's Withoutdeparting from "the spirit and scope oi the invention, orsacrificing-all or" its material advantages, nitrous hereinb'e'foredescribed 'being nerely apreferred embodiment thereof.

1.1 A radiator cap' compri'sing," in" combination, an footer collai'forming the body the" cap, 'ah'iiigedf cover tor the top oi' saidcollar, aii' innjerj'collar armin concealed attaching nieniber' adaptedto be applied to the radiator opening, and means tor'c'on; nesting saidcollars" together in 'sfi'ch mannor as to prevent theftoi the outercollar and to cause said collars to 'ti'irnftogether vli'ent'hefontercollarfis'rotatedin one dimotion but not when rotated in thebtner,saidinean's' c'oin'prisinga unitary connect ingnieniber secured to saidinner collar beneath the cif'rci'iinferential surface 'thereoi: andhaving res lient portions arranged at right angles. to each other andprojecting from "the" surface "of "said" inner collar, the oiiter"collar beii' 'g'f provided 'With' shoulders extending" 'resp'ectively'll'OllZOlltdl and vertical direction and adapted "to V be"'en-' gagedroje ting portions of said connect w nieniberto bo'thf lock the innerand o titerfcoll'arsfagainst relative axial 'ni'oven'ient" afterassembly to cause said nollars botany together when th'elouter col l'ar'i's turn d inone' direction While permittiiig thefouter' collar to ride"free over the 'iiine'ifcollar when rotated in the opposite Y direction,A V 2.' A radiator cap comprising, incoinbination, an (inter collarforni'ing the body of the "CapQaliingjed cover for the'top'of said'col'lar, an iiiner'eo'llar'forming a concealed heating fs ai d collars{together in such manner as to prevent thett 'of the" outer collar andto ire entertain; is rotated in one direction; but set when rotated inother saidmeans comprising pluralityof u r "connectingi rnenibers spacedCiifdlil ei entialljy' "01" said 'nner collar is 'b eiroi'iiii-terent'l'snriace thereof,

nie ibe'rs' hav ng' resilie ight-aii ies-to ea =f 'tiie s traceiarsaid;

d ea h" sectir'edf thereto ting lar, an inner collar movement 'a-fterassembly and to cause said collars to burn together when th8 outer col--lar is turned in one direction while permits ting the outer collar toride free overthe inner collar when rotated in the opposite direction. a

3. A radiator cap comprising, in combination, an outer collar formingthe body of the a cap, a hinged cover forthe top of said co1- cachingmember adapted tobe applied to the radiator opening, and means forconnecting said collars together in such manner as to prevent theft ofthe outer collar and to cause said collars to turn together when theouter collar is rotated in one direction but. not

when rotatedin the other, said means comsheet brass, or like workablemateriah and prising a pluralityof unitary connecting members spacedcircumferentially of said inner collar and each secured'thereto beneaththe circumferential surface thereof, one of said members havingresilient portions arranged at right angles to each other and projectingfrom the surface of said inner collar, the outer collar-being providedwith shoulders extending respectively in horizontal and verticaldirection and adapted to be engaged by said projecting portions of saidconnecting member to both look the inner and outer collars againstrelative'axial movement after assembly and to cause said collars to turntogether when the outer collar is turned in one direction while permitinner collar when rotated in the opposite direction, said inner collarbeing formedof forming a concealed at--- the outer collar .to ride freeover thebeing pressed inwardly at appropriate points to providerecesses' forthe reception of said connecting members. i v 4. A radiatorcap comprising, in'combination, an' outer collar forming the'body of'the cap a hinged cover" for the top of said collar, an inner collar.forming a concealed attaching member adapted to be appliedto theradiator opening, and means for connecting said collars together in suchmanner as to prevent theft of theout e r collar and toy cause saidcollars to turn together when the outer collar is'rotated in onedirection but notwhen rotated in the other, said means COIIIPIlSlllg anL-shaped spring member secured to said inner collar with the endsthereof projecting outwardly from the surface of the collar andsaidouter collar being provided with shoulders adapted to cooperate withsaid projecting portions of said L- 'shaped member to connect saidcollars in the manner aforesaid. j v

V 5. A radiator cap comprlsing, 1n combination, an ou'ter collar formingthe body of the cap, a hinged cover for'vthe top of said collar, anln'ner collar forming a concealed at-' taching member adapted to beapplied to the said collars together in such manner as to preventiheftof the outer collar and to cause sald collars to turn together when theouter collar'is rotated in one directio b t 70 r radiator opening, andmeans forconnecting not whenrotated in the other, said means Icomprising a plurality of springmembers secured to said inner collarwith the ends thereof projecting outwardly from the surface of thecollar, one of said'members being L-sliaped and said outercollar being:

provided with shouldersadap'ted to cooperate with said projectingportions of said L- shaped member to connect said collars in the manneraforesaid.

iinors usc. LIrPERT.

